Fix an assertion failure in CFX_RTFBreak::SetLineWidth()

xfa/src/fxfa/src/app/xfa_textlayout.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include <algorithm>
 
 #include "xfa/src/foxitlib.h"
 #include "xfa/src/fxfa/src/common/xfa_common.h"
@@ skipping 777 matching lines @@
     }
     if (fLineWidth < 0) {
       fLineWidth = fStart;
     }
     fStartPos = fStart;
     FX_FLOAT fIndent = para.GetTextIndent();
     if (fIndent > 0) {
       fStartPos += fIndent;
     }
   }
-  m_pBreak->SetLineWidth(fStart, fLineWidth);
-  m_pBreak->SetLinePos(fStartPos);
+  m_pBreak->SetLineBoundary(fStart, fLineWidth);
+  m_pBreak->SetLineStartPos(fStartPos);
   if (font.IsExistInXML()) {
     m_pBreak->SetHorizontalScale((int32_t)font.GetHorizontalScale());
     m_pBreak->SetVerticalScale((int32_t)font.GetVerticalScale());
     m_pBreak->SetCharSpace(font.GetLetterSpacing());
   }
   FX_FLOAT fFontSize = m_textParser.GetFontSize(m_pTextProvider, NULL);
   m_pBreak->SetFontSize(fFontSize);
   m_pBreak->SetFont(m_textParser.GetFont(m_pTextProvider, NULL));
   m_pBreak->SetLineBreakTolerance(fFontSize * 0.2f);
 }
@@ skipping 51 matching lines @@
           }
         }
         FDE_CSSRECT pNewRect;
         pNewRect.left.Set(FDE_CSSLENGTHUNIT_Point, fStart);
         pNewRect.right.Set(FDE_CSSLENGTHUNIT_Point, pRect->right.GetValue());
         pNewRect.top.Set(FDE_CSSLENGTHUNIT_Point, pRect->top.GetValue());
         pNewRect.bottom.Set(FDE_CSSLENGTHUNIT_Point, pRect->bottom.GetValue());
         pStyle->GetBoundaryStyles()->SetMarginWidth(pNewRect);
       }
     }
-    m_pBreak->SetLineWidth(fStart, fLineWidth);
+    m_pBreak->SetLineBoundary(fStart, fLineWidth);
     FX_FLOAT fIndent = pParaStyle->GetTextIndent().GetValue();
     if (fIndent > 0) {
       fStart += fIndent;
     }
-    m_pBreak->SetLinePos(fStart);
+    m_pBreak->SetLineStartPos(fStart);
     m_pBreak->SetTabWidth(m_textParser.GetTabInterval(pStyle));
     if (m_pTabstopContext == NULL) {
       m_pTabstopContext = new CXFA_TextTabstopsContext;
     }
     m_textParser.GetTabstops(pStyle, m_pTabstopContext);
     for (int32_t i = 0; i < m_pTabstopContext->m_iTabCount; i++) {
       XFA_TABSTOPS* pTab = m_pTabstopContext->m_tabstops.GetDataPtr(i);
       m_pBreak->AddPositionedTab(pTab->fTabstops);
     }
   }
@@ skipping 946 matching lines @@
       if (para.IsExistInXML()) {
         FX_FLOAT fStartPos = para.GetMarginLeft();
         FX_FLOAT fIndent = para.GetTextIndent();
         if (fIndent > 0) {
           fStartPos += fIndent;
         }
         FX_FLOAT fSpaceBelow = para.GetSpaceBelow();
         if (fSpaceBelow < 0.1f) {
           fSpaceBelow = 0;
         }
-        m_pBreak->SetLinePos(fStartPos);
+        m_pBreak->SetLineStartPos(fStartPos);
         fLinePos += fSpaceBelow;
       }
     }
   }
   if (pStyle) {
     FX_FLOAT fStart = 0;
     const FDE_CSSRECT* pRect = pStyle->GetBoundaryStyles()->GetMarginWidth();
     if (pRect) {
       fStart = pRect->left.GetValue();
     }
     FX_FLOAT fTextIndent =
         pStyle->GetParagraphStyles()->GetTextIndent().GetValue();
     if (fTextIndent < 0) {
       fStart -= fTextIndent;
     }
-    m_pBreak->SetLinePos(fStart);
+    m_pBreak->SetLineStartPos(fStart);
     pStyle->Release();
   }
   m_iLines++;
 }
 void CXFA_TextLayout::RenderString(IFDE_RenderDevice* pDevice,
                                    IFDE_SolidBrush* pBrush,
                                    CXFA_PieceLine* pPieceLine,
                                    int32_t iPiece,
                                    FXTEXT_CHARPOS* pCharPos,
                                    const CFX_Matrix& tmDoc2Device) {
@@ skipping 143 matching lines @@
   tr.iLength = iLength;
   tr.fFontSize = pPiece->fFontSize;
   tr.iBidiLevel = pPiece->iBidiLevel;
   tr.iCharRotation = 0;
   tr.wLineBreakChar = L'\n';
   tr.iVerticalScale = pPiece->iVerScale;
   tr.dwLayoutStyles = FX_RTFLAYOUTSTYLE_ExpandTab;
   tr.iHorizontalScale = pPiece->iHorScale;
   return TRUE;
 }